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Effect of Dietary Zinc on Certain Blood Traits of Broiler Breeder Chickens

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Author(s): Hazim J. Al-Daraji | Mahmood H.M. Amen

Journal: International Journal of Poultry Science
ISSN 1682-8356

Volume: 10;
Issue: 10;
Start page: 807;
Date: 2011;
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Keywords: Zinc | blood traits | broiler breeder chickens

ABSTRACT
The aim of the present study was to evaluate the effect of zinc as feed additive on some the blood plasma traits of males and females of broiler breeder chickens. A total 132 (96 females and 36 males) of Cobb 500 broiler breeder chickens, 45 weeks old were used in this study. These birds were randomly distributed into four dietary treatment groups with three replicates each. Each treatment group constituted of 24 females and 9 males. Treatment groups were as following: T1: Birds fed the basal diet without any addition of zinc (0 Zn) (Control), T2: Birds fed diet supplemented with 50 mg Zn (pure zinc)/kg of diet, T3: Birds fed diet supplemented with 75 mg Zn (pure zinc)/kg of diet and T4: Birds fed diet supplemented with 100 mg Zn (pure zinc)/kg of diet. Results indicated that dietary zinc supplementation (T2, T3 and T4) resulted in significant (p
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